Who makes KLEIN TOOLS? Amazon sales, products and sellers
Updated November 2026 with September 2026 data
At a glance
- Size
- Large
- $15.0M est./mo
- Trend
- Stable
- -1%, last 2 vs prior 2 months
- Ratings
- Strong
- 4.7 ★ · 590,256 reviews
- Who sells it
- Mostly one seller
- Top seller has 99% of units
KLEIN TOOLS estimated monthly revenue on Amazon
Our read on KLEIN TOOLS
KLEIN TOOLS is a large brand in Multi Testers, ranking 2 among 40 brands with an estimated 20% share of the category's revenue. In September 2026 its estimated revenue was $15.0M on 368,000 units, compared with $15.4M in June 2026, a change of -2% over 4 months of data. The recent trend is stable at -1% across the last 2 months. The brand has 810 products selling and an average rating of 4.7 across 590,256 reviews. Its top products are the MM325 Digital Manual-Ranging Multimeter at 12,000 units per month, the RT250 GFCI Outlet Tester at 11,000, and the 32303HD 20-in1 Impact Driver Set at 9,700. Sales are concentrated, with Amazon accounting for 99% of units among 16 sellers.
Top KLEIN TOOLS products on Amazon
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| Product | Rating | Est. units/mo | Amazon link |
|---|---|---|---|
| Klein Tools MM325 Digital Manual-Ranging Multimeter | 4.7 ★2,991 reviews | 12,000 | Check price on Amazon |
| Klein Tools RT250 GFCI Outlet Tester with LCD Display | 4.8 ★11,537 reviews | 11,000 | Check price on Amazon |
| Klein Tools 32303HD 20-in1 Impact Driver Set | 4.6 ★778 reviews | 9,700 | Check price on Amazon |
| Klein Tools 935DAG Digital Electronic Level and Angle Gauge | 4.8 ★16,537 reviews | 7,600 | Check price on Amazon |
| Klein Tools NCVT1P Voltage Tester | 4.6 ★7,468 reviews | 7,300 | Check price on Amazon |
| Klein Tools 32500 11-in-1 Screwdriver/Nut Driver Set | 4.8 ★28,540 reviews | 7,200 | Check price on Amazon |
| Klein Tools ET310KIT AC Circuit Breaker Finder Kit | 4.7 ★11,666 reviews | 6,900 | Check price on Amazon |
| Klein Tools 32500HD 11-in-1 Multi-Bit Impact Screwdriver/Nut Driver | 4.7 ★2,913 reviews | 6,700 | Check price on Amazon |
| Klein Tools IR1 Infrared Thermometer with Targeting Laser | 4.6 ★3,606 reviews | 6,600 | Check price on Amazon |
| Klein Tools ET140 Pinless Moisture Meter | 4.5 ★6,270 reviews | 5,200 | Check price on Amazon |
Who sells KLEIN TOOLS
- Amazon99%
- USA-Fast-Delivery LLC<1%
- Smooth Value<1%
- Midwest Estore<1%
- SALES N MORE<1%
Share of estimated units sold in September 2026, by the seller holding the Buy Box.
Place in its category
#2 of 40
Rank 2 of 40 brands in Multi Testers by estimated revenue in September 2026, with 20% of the category.
Frequently asked questions
Who makes KLEIN TOOLS?
KLEIN TOOLS is the brand name on 810 products we tracked on Amazon in September 2026 mostly in Multi Testers (Tools & Home Improvement). The largest seller of KLEIN TOOLS products that month was Amazon, with 99% of estimated units. Amazon listings don't show the brand owner's legal name, so the brand's own website is the place to confirm its parent company.
How much does KLEIN TOOLS sell on Amazon?
KLEIN TOOLS sold an estimated $15.0M on Amazon in September 2026, about 368,000 units. That is -2% compared with June 2026. These are Ecominsights estimates, not figures reported by the brand.
What are KLEIN TOOLS's best-selling products on Amazon?
By estimated units sold in September 2026: 1. Klein Tools MM325 Digital Manual-Ranging Multimeter (about 12,000 units); 2. Klein Tools RT250 GFCI Outlet Tester with LCD Display (about 11,000 units); 3. Klein Tools 32303HD 20-in1 Impact Driver Set (about 9,700 units).